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A platform for research: civil engineering, architecture and urbanism
Design of Erosion Protection at Landfill Areas with Slopes Less than 10%
Surface water can enter landfill waste zones from top surface areas and erosion of the top surface can cause wash-out of waste material. Landfill covers at these locations must prevent surface water infiltration and provide erosion resistance. In arid climates a rock veneer can be used to reduce erosion, but this will increase infiltration and reduce surface evaporation making it more likely that surface water will enter waste zones. An alternative is the placement of a mix of soil and gravel as a surface layer; the mix is commonly called a gravel admixture. Studies of gravel admixture layers have shown they provide greatly reduced surface infiltration rates over gravel alone, and have evaporation rates very similar to soil alone. A method is presented to compute the rock and soil gradations, and thicknesses of gravel admixture layers based on peak flow, slope and the formation of surface channelization. The procedure is used to select gradation ranges and applicable slope lengths for a landfill cover.
Design of Erosion Protection at Landfill Areas with Slopes Less than 10%
Surface water can enter landfill waste zones from top surface areas and erosion of the top surface can cause wash-out of waste material. Landfill covers at these locations must prevent surface water infiltration and provide erosion resistance. In arid climates a rock veneer can be used to reduce erosion, but this will increase infiltration and reduce surface evaporation making it more likely that surface water will enter waste zones. An alternative is the placement of a mix of soil and gravel as a surface layer; the mix is commonly called a gravel admixture. Studies of gravel admixture layers have shown they provide greatly reduced surface infiltration rates over gravel alone, and have evaporation rates very similar to soil alone. A method is presented to compute the rock and soil gradations, and thicknesses of gravel admixture layers based on peak flow, slope and the formation of surface channelization. The procedure is used to select gradation ranges and applicable slope lengths for a landfill cover.
Design of Erosion Protection at Landfill Areas with Slopes Less than 10%
Anderson, Clifford (author) / Wall, Steve (author)
International Conference on Scour and Erosion (ICSE-5) 2010 ; 2010 ; San Francisco, California, United States
Scour and Erosion ; 1054-1063
2010-10-29
Conference paper
Electronic Resource
English
Design of Erosion Protection at Landfill Areas with Slopes Less than 10%
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